How can we display an uploaded file in our interface?

Well,

My problem is that i want to upload a file in an interface and show it at the same time in the interface. I dont know if it is possible in Appian.

I have tried to save the upload file in a rule input as a Document and then call this rule input in the imageField. But it doesn't work.

I hope you can help me, thank you so much.

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